CN210252752U - Rotatory nozzle subassembly, rotatory nozzle and spraying system - Google Patents

Abstract

The utility model discloses a rotatory nozzle subassembly, rotatory nozzle and spraying system relates to and sprays technical field, this rotatory nozzle subassembly, include: drive arrangement, rotary joint, cavity connecting rod and at least one nozzle, its characterized in that: the driving connecting end of the hollow connecting rod is connected with a driving rotating shaft of the driving device; the driving rotating shaft and the rotating joint of the driving device are on the same axis, so that the hollow connecting rod drives the nozzle to rotate around the axis under the driving of the driving device; the technical scheme that this disclosed embodiment provided realizes increasing the spray area of nozzle, makes the degree of consistency that sprays improve greatly simultaneously, reduces liquid waste, through using rotary joint, has solved the feed liquor pipe and has revoluted the problem along with the nozzle, realizes very free rotation through control drive arrangement's rotation angle and speed and sprays the mode, can satisfy the demand of different application scenes.

Description

Rotatory nozzle subassembly, rotatory nozzle and spraying system

Technical Field

The invention relates to the technical field of spraying, in particular to a rotary spray head assembly, a rotary spray head and a spraying system.

Background

Along with the rapid development of automatic equipment, the precision, the integration and the miniaturization requirement of the equipment are higher and higher, the spraying is used as a very important link in the production process and is commonly used for cleaning, humidifying, cooling, electroplating, surface treatment and the like, because the spraying area of a single nozzle is limited, a plurality of nozzles are generally used for spraying in large-area spraying treatment, the more the number of the nozzles is, the greater the flow demand on liquid is, the higher the power of the spraying equipment is, the energy consumption is increased, the installation is troublesome and the like.

The size and the number of the liquid drops sprayed by the nozzles at different positions are different, so that the spraying is uneven, the system process is unstable, the liquid utilization rate is reduced, particularly, the mist sprayed by the atomizing nozzles is mostly in a hollow cone shape, and when the mist is sprayed at a short distance, no liquid drop exists at the center position of the spraying, so that the aim of uniform spraying cannot be achieved.

At present, most of rotating spray heads are liquid inlet pipes which rotate along with the spray nozzles, so that the spray nozzles are simple to rotate positively and negatively, and the size of the spray nozzles is too large, which is not beneficial to the miniaturization of spray equipment.

Disclosure of Invention

The embodiment of the invention provides a rotary spray head assembly, a rotary spray head and a spraying system, which achieve the purpose of greatly increasing the spraying area and the spraying uniformity of a spray nozzle and solve the problem that a liquid inlet pipe of the rotary spray head revolves along with a blade nozzle.

According to a first aspect of embodiments of the present disclosure, there is provided a rotary spray head assembly comprising: drive arrangement, rotary joint, cavity connecting rod and at least one nozzle, its characterized in that: one end of the rotary joint is connected with the hollow connecting rod to enable liquid to enter the hollow connecting rod, and the other end of the rotary joint is fixedly arranged and used as a rotary fulcrum of the hollow connecting rod; the hollow connecting rod is a hollow tube and is used for driving the nozzle to rotate and for the liquid channel, the nozzle is arranged on the hollow connecting rod, the liquid inlet end of the hollow connecting rod is connected with the rotary joint, and the driving connecting end of the hollow connecting rod is connected with the driving rotating shaft of the driving device; the driving rotating shaft and the rotary joint of the driving device are on the same axis, so that the hollow connecting rod rotates around the axis under the driving of the driving device.

Optionally, the driving device is one of a steering engine, a servo motor, a stepping motor and a speed reduction motor, so that the spraying direction, angle and speed can be accurately controlled, and more flexible automatic control can be realized.

Optionally, the liquid inlet end of the hollow connecting rod is inserted into the rotary joint or connected with the rotary joint through threads, and the rotary end of the rotary joint is a quick-insertion port or a threaded port.

Optionally, the hollow connecting rod is provided with at least one quick-connect plug, and the quick-connect plug is convenient for installing or replacing the nozzle.

Optionally, the drive link end of hollow connecting rod and the feed liquor end of hollow connecting rod are on same axis to make the nozzle can rotate around the axis, and then realize the purpose that rotatory sprayed.

Alternatively, the hollow link may be linear, curved, U-shaped or V-shaped.

Optionally, the hollow connecting rod can also be in a mouth shape, an O-shaped and other loop structures.

Optionally, the hollow connecting rod is provided with a flow dividing channel to balance the liquid pressure and flow at each nozzle, so that the problems of uneven spraying or insufficient atomization of the nozzles caused by unbalanced liquid pressure are avoided.

According to two aspects of the embodiment of this disclosure, provide a rotatory nozzle, its characterized in that includes as above arbitrary rotatory nozzle subassembly, liquid inlet joint, shell, its characterized in that, rotatory nozzle subassembly sets up in the shell, and the rotary joint fixed connection among liquid inlet joint and the rotatory nozzle subassembly, liquid inlet joint are used for making things convenient for the feed liquor pipe to be connected with rotatory nozzle subassembly, and drive arrangement among the rotatory nozzle subassembly is fixed in the shell to make drive arrangement's drive pivot and rotary joint be in on the same axis.

According to a third aspect of the embodiments of the present disclosure, a spraying system is provided, which includes any one of the above-mentioned rotary sprayer assemblies, a control unit, a liquid pressurizing unit, and a liquid inlet pipe, and is characterized in that the control unit is configured to control a driving device in the rotary sprayer assembly, and the driving device receives a control signal from the control unit, so that the nozzles perform actions at different speeds and different angles, thereby realizing more flexible automatic control to meet the expectations of people; the liquid pressurizing unit is used for pressurizing liquid and conveying the liquid to the rotary spray head through the liquid inlet pipe so that the liquid is sprayed out from a nozzle in the rotary spray head.

The embodiment of the present disclosure can include the following beneficial effects through the above technical solutions:

according to the technical scheme provided by the embodiment of the disclosure, the driving device drives the spray nozzles to rotate, so that the spray area of the spray nozzles is increased, compared with a fixed spray mode, the quantity of the spray nozzles is reduced on the same spray area, so that the liquid flow is reduced, the energy is saved, the utilization rate of resources is improved, the spray uniformity is greatly improved, and the liquid waste is reduced; by using the rotary joint, the problem that the liquid inlet pipe rotates along with the nozzle is solved, so that the volume of the spray head is reduced, the miniaturization of equipment is realized, and the integration level is improved; the free rotary spraying mode is realized by controlling the rotation angle and the speed of the driving device, and the requirements of different application scenes can be met.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

In order to more clearly illustrate the embodiments or prior art solutions of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below and used together with the description to explain the principles of the present disclosure.

FIG. 1 is a schematic structural view of a rotary spray head assembly provided by the present disclosure.

Fig. 2 is a schematic diagram of an exploded view of the rotary spray head assembly of fig. 1.

Fig. 3 is a schematic illustration of another exploded configuration of a rotary spray head assembly provided by the present disclosure.

Fig. 4 is a cross-sectional view of the rotary spray head assembly of fig. 1.

FIG. 5 is a cross-sectional view of a curvilinear configuration of a hollow link of a rotary spray head assembly provided by the present disclosure.

FIG. 6 is a cross-sectional view of a hollow link structure having a flow-splitting passage in a rotary spray head assembly provided by the present disclosure.

FIG. 7 is a cross-sectional view of another hollow link configuration having a flow-splitting passage in a rotary spray head assembly provided by the present disclosure.

Fig. 8 is a schematic structural diagram of a rotary spray head provided by the present disclosure.

Fig. 9 is a block diagram of a spray system configuration provided by the present disclosure.

Detailed Description

The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present invention.

In the embodiment of the disclosure, the driving device drives the nozzle on the hollow connecting rod to rotate, so that the aim of rotary spraying is fulfilled; in the embodiment of the disclosure, the rotary joint is used as the rotary fulcrum of the hollow connecting rod and the joint connected with the liquid, so that the connection mode of the liquid inlet pipe and the rotary hollow connecting rod is changed, the problem that the liquid inlet pipe rotates along with the hollow connecting rod is solved, the reliability is improved, and the volume of the spray head is reduced.

Referring to fig. 1, a schematic structural diagram of a showerhead assembly according to an embodiment of the present disclosure includes: as shown in fig. 1, in the present embodiment, the nozzle 4 is vertically disposed on the hollow connecting rod 3, and the spraying direction is perpendicular to the rotation axis of the hollow connecting rod 3, although the nozzle 4 may be disposed on the hollow connecting rod 3 and forms a certain included angle, so that the spraying direction forms a certain included angle with the rotation axis of the hollow connecting rod 3, the spraying width may be increased when the length of the hollow connecting rod and the spraying range of the nozzle are fixed, and the number of the nozzles 4 may be 1 or 2 or more, which is not limited in this embodiment; one end of the hollow connecting rod 3 is connected with the driving device 1, the other end is connected with the rotary joint 2, the rotary joint 2 is used for ensuring that liquid is continuously conveyed to the rotating hollow connecting rod, and the conveyed liquid is sprayed out through the nozzle 4 on the hollow connecting rod 3. Specifically, wherein drive arrangement 1 is the steering wheel, and the steering wheel is the servo driver of an angle (position), is applicable to those control systems that need the angle constantly to change and can keep, because of the steering wheel mainly comprises shell, circuit board, driving motor, reduction gear and position detection component, because of the steering wheel has the reduction gear itself, so can export big torsion, and small, thereby reduce the volume of rotatory shower nozzle greatly, the rotation angle and the speed that the steering wheel can be controlled in a flexible way realize very free rotatory mode of spraying simultaneously, in order to satisfy the demand of different application scenes.

Referring to fig. 2, fig. 2 is an exploded schematic view of the rotary nozzle assembly of fig. 1, as shown in fig. 2, in the present embodiment, the rotary joint 2 is a quick-connect port at one end, a threaded port at one end, and a fixing portion of the rotary joint at the threaded port end; the liquid inlet end d3 of the hollow connecting rod 3 is inserted into the rotary joint 2 in a quick insertion mode, so that the hollow connecting rod can be quickly pulled out and inserted, and the installation and the replacement are convenient; the driving rotating shaft d1 of the driving device 1 is connected with the driving connecting end of the hollow connecting rod 3 for driving the hollow connecting rod to rotate, and the nozzle 4 is installed on the hollow connecting rod in a threaded connection manner, and of course, can be fixed on the hollow connecting rod 3 in a connecting piece connection or welding manner.

Referring to fig. 3, fig. 3 is a schematic view of another explosion structure of the rotary spray head assembly according to the embodiment of the present disclosure, as shown in fig. 3, a liquid inlet end d6 of the hollow connecting rod 6 is a threaded interface, one end of the corresponding rotary joint 7 is also a threaded interface, and a liquid inlet end d6 is connected with the rotary joint 7 in a threaded manner, so that the connection is firmer; the hollow connecting rod 6 is fixedly provided with a quick connector 5, and the quick connector 5 is fixedly connected through threads, or can be connected through a rate connecting piece or fixed in a welding mode; the nozzle 8 is directly and quickly inserted into the quick connector 5, and is convenient to install and replace.

To more clearly describe the structure of the embodiment of the present disclosure, referring to fig. 4, fig. 4 is a cross-sectional view of the rotary nozzle assembly of fig. 1, as shown in fig. 4, the liquid flows into the liquid passage e3 of the hollow connecting rod 3 through the rotary joint 2 and is then sprayed out through the nozzle 4; the liquid inlet end d3 of the hollow connecting rod is inserted into the rotating end of the rotating joint 2, and the rotating joint plays a role in connecting the hollow connecting rod and also serves as a rotating fulcrum of the hollow connecting rod; the driving rotating shaft d1 of the driving device is connected with the driving connecting end d13 of the hollow connecting rod 3, and can be fixedly connected by a connecting piece or in a welding mode; the driving rotating shaft d1, the driving connecting end d13, the liquid inlet end d3 and the rotary joint 2 are on the same axis c1, so that the nozzle 4 rotates around the axis c1, and the purpose of rotary spraying is achieved.

Referring to fig. 5, fig. 5 is a cross-sectional view of a curved structure of a hollow link of a rotary nozzle assembly according to the present disclosure, as shown in fig. 5, a driving connection end d19 and a liquid inlet end d9 of the hollow link 9 are on the same axis c9, and a nozzle rotates around the axis c9 to achieve the purpose of rotary spraying, so that the remaining portion of the hollow link 9 except the driving connection end d19 and the liquid inlet end d9 are on the same axis, may be a non-linear structure such as a curved structure, a U-shaped structure, a V-shaped structure, or a circular structure such as a mouth-shaped structure and an O-shaped structure.

Referring to fig. 6, fig. 6 is a cross-sectional view of a hollow connecting rod structure with a flow dividing channel in a rotary nozzle assembly provided by the present disclosure, in an actual use process, when the length of the hollow connecting rod is longer or the number of nozzles is larger, the flow rate of liquid is gradually reduced, so that the flow rate of liquid at a driving connection end is smaller than that of liquid at a liquid inlet end, and pressure imbalance is caused, thereby affecting a spraying effect, and in order to avoid such a situation, the flow dividing channel f10 for balancing the flow rate and pressure of liquid can be added to the hollow connecting rod 10, thereby avoiding problems of uneven spraying or insufficient atomization of the nozzles caused by unbalanced liquid pressure; as shown in fig. 7, the diversion passage f11 of the hollow connecting rod 11 can be a pipe connected to the hollow connecting rod near the liquid inlet end and near the driving connecting end respectively for the purpose of liquid diversion.

In summary, the rotary spray head assembly provided by the present disclosure drives the spray nozzles to rotate through the driving device, so as to increase the spray area of the spray nozzles, and compared with a fixed spray mode, the rotary spray head assembly reduces the number of the spray nozzles on the same spray area, thereby reducing the liquid flow, saving energy, improving the utilization rate of resources, greatly improving the spray uniformity, and reducing the liquid waste; through using rotary joint, solved the problem that the feed liquor pipe revolved along with the nozzle to reduced the volume of shower nozzle, realized that equipment is miniaturized and improved the integrated level.

Referring to fig. 8, fig. 8 is a schematic structural diagram of a rotary sprayer according to the present disclosure, as shown in fig. 8, a rotary sprayer assembly 20 is mounted on a housing 13, a rotary joint in the rotary sprayer assembly is connected to a liquid inlet joint 12, the liquid inlet joint is used for sleeving or clamping a liquid inlet pipe, specifically, the liquid inlet joint 12 may be a quick plug to facilitate installation of the liquid inlet pipe; the rotary sprayer provided by the embodiment of the disclosure has the advantages of compact structure and small volume, and is suitable for being used by automatic equipment.

Referring to fig. 9, fig. 9 is a structural block diagram of a spraying system provided in the present disclosure, and as shown in fig. 9, the spraying system provided in the embodiment of the present disclosure includes: the spraying device comprises a rotary spray head 30, a liquid inlet pipe 14, a control unit 15 and a liquid pressurizing unit 16, wherein after liquid is pressurized by the liquid pressurizing unit 16, the liquid enters the rotary spray head 30 from the liquid inlet pipe 14 and is sprayed out from a nozzle of the rotary spray head to finish spraying; the driving device of the rotary sprayer 30 is electrically connected with the control unit 15, the control unit 15 controls the rotating speed and angle of the motor of the driving device, automatic control of the rotary sprayer 30 is achieved, spraying requirements under different requirements and working conditions are achieved, and therefore the spray nozzle can rotate at different speeds and different angles to achieve the expectation of people.

It will be appreciated that the control unit may also be a simple switch by which to energise the motor within the drive means to cause the motor to rotate, and thus the nozzle to rotate, and the invention is not limited thereto.

It should be understood that the pressurizing component of the liquid pressurizing unit may be a pressurizing pump, or may be connected to a tap water line, and the present invention is not limited thereto.

The spraying system can also comprise a water tank which is used for storing liquid, and the liquid pressurizing unit directly extracts the liquid from the water tank and conveys the liquid to the rotary spray head after pressurizing, so as to realize spraying.

It should be understood that the structure of the rotary spray head assembly included in the spray system is similar to that mentioned in the above embodiments, and for brevity, will not be described again.

To facilitate an understanding of the present disclosure, the embodiments of the present disclosure shown in the drawings are merely schematic illustrations, and some modifications are possible without departing from the scope of the present disclosure.

While there has been described herein what are presently considered to be the preferred embodiments of the disclosure, it is to be understood that the terminology used is intended to be in the nature of words of description rather than of limitation, and that many modifications and variations of the disclosure will be apparent to those skilled in the art in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims, wherein reference numerals are used for convenience only and not in any way limiting, the disclosure may be practiced otherwise than as specifically described above.

Claims (10)

1. A rotary spray head assembly comprising: drive arrangement, rotary joint, cavity connecting rod and at least one nozzle, its characterized in that: one end of the rotary joint is connected with the hollow connecting rod to enable liquid to enter the hollow connecting rod, and the other end of the rotary joint is fixedly arranged and used as a rotary fulcrum of the hollow connecting rod; the hollow connecting rod is a hollow tube and is used for driving the nozzle to rotate and for the liquid channel, the nozzle is arranged on the hollow connecting rod, the liquid inlet end of the hollow connecting rod is connected with the rotary joint, and the driving connecting end of the hollow connecting rod is connected with the driving rotating shaft of the driving device; the driving rotating shaft and the rotary joint of the driving device are on the same axis, so that the hollow connecting rod rotates around the axis under the driving of the driving device.

2. The rotary spray head assembly of claim 1, wherein the drive device is one of a steering engine, a servo motor, a stepper motor, and a speed reduction motor.

3. The rotary spray head assembly of claim 1, wherein the liquid inlet end of the hollow connecting rod is inserted into the rotary joint or connected with the rotary joint through threads.

4. The rotary spray head assembly of claim 1, wherein the hollow link is provided with at least one quick-connect coupling that facilitates installation or replacement of the spray nozzle.

5. The rotary spray head assembly of claim 1, wherein the drive connection end of the hollow link and the inlet end of the hollow link are coaxial to allow the nozzle to rotate about an axis for rotary spraying purposes.

6. The rotary spray head assembly of claim 1, wherein the hollow link is linear, curvilinear, U-shaped, or V-shaped.

7. The rotary spray head assembly of claim 1, 4 or 5, wherein said hollow connecting rod is a toroidal, O-ring or the like.

8. The rotary spray head assembly of claim 1, wherein the hollow link is provided with a flow dividing passage to equalize the liquid pressure and flow at each nozzle.

9. A rotary sprayer comprising the rotary sprayer assembly as claimed in any one of claims 1 to 8, a liquid inlet joint and a housing, wherein the rotary sprayer assembly is disposed in the housing, the liquid inlet joint is fixedly connected with the rotary joint in the rotary sprayer assembly, the liquid inlet joint is used for facilitating the connection of the liquid inlet pipe and the rotary sprayer assembly, and a driving device in the rotary sprayer assembly is fixed in the housing, so that a driving rotating shaft of the driving device and the rotary joint are on the same axis.

10. A spraying system, comprising the rotary nozzle assembly as claimed in any one of claims 1 to 8, a control unit, a liquid pressurizing unit and a liquid inlet pipe, wherein the control unit is used for controlling a driving device in the rotary nozzle assembly, and the driving device receives a control signal of the control unit; the liquid pressurizing unit is used for pressurizing liquid and conveying the liquid to the rotary spray head through the liquid inlet pipe so that the liquid is sprayed out from a nozzle in the rotary spray head.

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